Debt (Schedule of Debt) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Finance lease obligations and other borrowings	$ 21,826	$ 13,541
Debt and finance lease obligations	1,464,435	1,483,047
Less amounts due within one year	72,197	68,218
Total debt due after one year	$ 1,392,238	$ 1,414,829
2022 EUR Senior Notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	1.25%	1.25%
Debt instrument, unamortized discount (premium) and debt issuance costs, net	$ 3,539	$ 3,914
Long-term debt	$ 557,311	$ 569,536
2023 Senior notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	4.00%	4.00%
Debt instrument, unamortized discount (premium) and debt issuance costs, net	$ 2,425	$ 2,589
Long-term debt	$ 297,910	$ 297,808
2022 Senior notes
Debt Instrument [Line Items]
Stated interest rate (as a percent)	3.50%	3.50%
Debt instrument, unamortized discount (premium) and debt issuance costs, net	$ 2,090	$ 2,192
Long-term debt	$ 497,575	$ 497,411
Term Loan Facility
Debt Instrument [Line Items]
Effective interest rate (as a percent)	4.10%	4.30%
Debt issuance costs, net	$ 187	$ 250
Term Loan Facility	$ 89,813	$ 104,751

Capital lease obligations and other.

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Loans Payable - Term Loan Facility (outstanding balance on our new Term Loan Facility)

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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